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  1. Path: sparky!uunet!usc!zaphod.mps.ohio-state.edu!cis.ohio-state.edu!rutgers!njitgw.njit.edu!hertz.njit.edu!dic5340
  2. From: dic5340@hertz.njit.edu (David Charlap)
  3. Newsgroups: comp.os.os2.misc
  4. Subject: Re: OS/2 Needs a Supervisor mode!
  5. Message-ID: <1992Aug17.182934.27506@njitgw.njit.edu>
  6. Date: 17 Aug 92 18:29:34 GMT
  7. References: <1992Aug15.230755.14630@chpc.utexas.edu> <1992Aug16.001819.14010@unixg.ubc.ca> <1992Aug16.161525.23512@tamsun.tamu.edu>
  8. Sender: news@njit.edu
  9. Organization: New Jersey Institute of Technology, Newark, N.J.
  10. Lines: 16
  11. Nntp-Posting-Host: hertz.njit.edu
  12.  
  13. In article <1992Aug16.161525.23512@tamsun.tamu.edu> bdubbs@cs.tamu.edu (Bruce Dubbs) writes:
  14. >
  15. >Why don't you just make CONFIG.SYS read only using the ATTRIB command?
  16. >Ditto for the .dll's.  This may not be a perfect solution, but since
  17. >OS/2 traps I/O, a program cannot bypass it and manipulate the hardware
  18. >directly.
  19.  
  20. But a malicious program can always just run ATTRIB again and change
  21. the flags back.  It's useful against accidents, but not against
  22. deliberate attempts.
  23.  
  24. -- 
  25.    |)  David Charlap           "I don't even represent myself
  26.   /|_  dic5340@hertz.njit.edu   sometimes so NJIT is right out!.
  27.  ((|,)
  28.   ~|~  Hi! I am a .signature virus, copy me into your .signature file.
  29.